191984380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{6961}}^1$

素因数の和:7174

約数の個数: 48

約数和(自身を含む): 463167936

約数和(自身を除く): 271183556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2758, 3940, 5516, 6895, 6961, 13790, 13922, 27580, 27844, 34805, 48727, 69610, 97454, 139220, 194908, 243635, 487270, 974540, 1371317, 2742634, 5485268, 6856585, 9599219, 13713170, 19198438, 27426340, 38396876, 47996095, 95992190, 191984380]

約数ペア:

[(1, 191984380), (2, 95992190), (4, 47996095), (5, 38396876), (7, 27426340), (10, 19198438), (14, 13713170), (20, 9599219), (28, 6856585), (35, 5485268), (70, 2742634), (140, 1371317), (197, 974540), (394, 487270), (788, 243635), (985, 194908), (1379, 139220), (1970, 97454), (2758, 69610), (3940, 48727), (5516, 34805), (6895, 27844), (6961, 27580), (13790, 13922)]